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Finding the Fourth Proportional to 73,954.20, 110,855.70 and 36,456.60

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Solution

The fourth proportional to 73,954.20, 110,855.70 and 36,456.60 is: 54,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,954.20 : 110,855.70 = 36,456.60 : x
  2. Step 2: Convert to fraction form
    73,954.20/110,855.70 = 36,456.60/x
  3. Step 3: Cross multiply
    73,954.20x = 110,855.70 × 36,456.60
  4. Step 4: Simplify right side
    73,954.20x = 4,041,421,912.62
  5. Step 5: Solve for x
    x = 4,041,421,912.62/73,954.20
  6. Step 6: Final answer
    x = 54,647.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.